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Finding the current in a parallel circuit
How is current split with two parallel LED's?Calculating resistance of series/parallel circuitFinding equivalent resistance?Loop current of the loop containing a current sourceWhat am I misunderstanding in electrical circuits regarding voltage/current/resistanceHow to solve this diode resistor circuit?How to find voltage across resistors with only current sources?Finding the current of an open circuit for Thevenin EquivalenceFinding current and initial voltages of Inductor, capacitor and resistorIn Parallel resonance circuit mentioned below, is current equal for Resistor and Inductor?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
$begingroup$
How could we find the current that passes through each resistor in this circuit? The problem is that we don't have the voltage of each resistor to find the current, because the voltages of the resistors are not equal to the voltage of the source.
circuit-analysis parallel homework
edited May 10 at 11:38
Michael Karas
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
|
show 3 more comments
$begingroup$
How could we find the current that passes through each resistor in this circuit? The problem is that we don't have the voltage of each resistor to find the current, because the voltages of the resistors are not equal to the voltage of the source.
circuit-analysis parallel homework
edited May 10 at 11:38
Michael Karas
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40
|
show 3 more comments
$begingroup$
How could we find the current that passes through each resistor in this circuit? The problem is that we don't have the voltage of each resistor to find the current, because the voltages of the resistors are not equal to the voltage of the source.
circuit-analysis parallel homework
edited May 10 at 11:38
Michael Karas
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
How could we find the current that passes through each resistor in this circuit? The problem is that we don't have the voltage of each resistor to find the current, because the voltages of the resistors are not equal to the voltage of the source.
circuit-analysis parallel homework
circuit-analysis parallel homework
edited May 10 at 11:38
Michael Karas
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited May 10 at 11:38
Michael Karas
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited May 10 at 11:38
Michael Karas
45.7k349107
edited May 10 at 11:38
Michael Karas
45.7k349107
edited May 10 at 11:38
Michael Karas
45.7k349107
45.7k349107
asked May 10 at 9:25
Positron12Positron12
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked May 10 at 9:25
Positron12Positron12
191
asked May 10 at 9:25
Positron12Positron12
191
191
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Positron12 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40
|
show 3 more comments
$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40
$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40
|
show 3 more comments
1 Answer
1
active
oldest
votes
$begingroup$
Start by labelling your circuit. You should know that in a series circuit, the current is the same at any point in the circuit.
simulate this circuit – Schematic created using CircuitLab
We know that because this is now a series circuit, the current at each arrow in the circuit is the same. To find the current in the circuit, just work out the parallel resistance of each branch and use Ohms Law.
Once you have done this, you can find out the voltage drop over each parallel branch, once again employing Ohms Law.
simulate this circuit
Once you have done this, you can simply apply Ohms Law to each resistor to find the current through it. To make sure you have done it right, just remember the total current in each parallel branch should equal the total current of the circuit.
answered May 10 at 10:21
MCGMCG
7,09531851
$endgroup$
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
add a comment |
Your Answer
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
Start by labelling your circuit. You should know that in a series circuit, the current is the same at any point in the circuit.
simulate this circuit – Schematic created using CircuitLab
We know that because this is now a series circuit, the current at each arrow in the circuit is the same. To find the current in the circuit, just work out the parallel resistance of each branch and use Ohms Law.
Once you have done this, you can find out the voltage drop over each parallel branch, once again employing Ohms Law.
simulate this circuit
Once you have done this, you can simply apply Ohms Law to each resistor to find the current through it. To make sure you have done it right, just remember the total current in each parallel branch should equal the total current of the circuit.
answered May 10 at 10:21
MCGMCG
7,09531851
$endgroup$
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
add a comment |
$begingroup$
Start by labelling your circuit. You should know that in a series circuit, the current is the same at any point in the circuit.
simulate this circuit – Schematic created using CircuitLab
We know that because this is now a series circuit, the current at each arrow in the circuit is the same. To find the current in the circuit, just work out the parallel resistance of each branch and use Ohms Law.
Once you have done this, you can find out the voltage drop over each parallel branch, once again employing Ohms Law.
simulate this circuit
Once you have done this, you can simply apply Ohms Law to each resistor to find the current through it. To make sure you have done it right, just remember the total current in each parallel branch should equal the total current of the circuit.
answered May 10 at 10:21
MCGMCG
7,09531851
$endgroup$
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
add a comment |
$begingroup$
Start by labelling your circuit. You should know that in a series circuit, the current is the same at any point in the circuit.
simulate this circuit – Schematic created using CircuitLab
We know that because this is now a series circuit, the current at each arrow in the circuit is the same. To find the current in the circuit, just work out the parallel resistance of each branch and use Ohms Law.
Once you have done this, you can find out the voltage drop over each parallel branch, once again employing Ohms Law.
simulate this circuit
Once you have done this, you can simply apply Ohms Law to each resistor to find the current through it. To make sure you have done it right, just remember the total current in each parallel branch should equal the total current of the circuit.
answered May 10 at 10:21
MCGMCG
7,09531851
$endgroup$
Start by labelling your circuit. You should know that in a series circuit, the current is the same at any point in the circuit.
simulate this circuit – Schematic created using CircuitLab
We know that because this is now a series circuit, the current at each arrow in the circuit is the same. To find the current in the circuit, just work out the parallel resistance of each branch and use Ohms Law.
Once you have done this, you can find out the voltage drop over each parallel branch, once again employing Ohms Law.
simulate this circuit
Once you have done this, you can simply apply Ohms Law to each resistor to find the current through it. To make sure you have done it right, just remember the total current in each parallel branch should equal the total current of the circuit.
answered May 10 at 10:21
MCGMCG
7,09531851
answered May 10 at 10:21
MCGMCG
7,09531851
answered May 10 at 10:21
MCGMCG
7,09531851
answered May 10 at 10:21
MCGMCG
7,09531851
7,09531851
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
add a comment |
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
2
2
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
+1 for the good hints rather than a full solution
$endgroup$
– Elliot Alderson
May 10 at 10:45
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
@ElliotAlderson when it comes to homework questions, if I decide to answer them I will never give the actual answer, just give enough information for OP to solve it themselves. Always thought that is a much better way of helping rather than handing all the answers over.
$endgroup$
– MCG
May 10 at 11:12
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
How we we know that the voltage drop of the branch is equal to the voltage of each resistor in it?
$endgroup$
– Positron12
May 10 at 16:30
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
$begingroup$
The voltage drop over parallel resistors is always the same. If you redraw it as a series circuit like the first one in my answer, you will see that there cant be multiple voltage drops over it.
$endgroup$
– MCG
May 11 at 13:29
add a comment |
Positron12 is a new contributor. Be nice, and check out our Code of Conduct.
Positron12 is a new contributor. Be nice, and check out our Code of Conduct.
Positron12 is a new contributor. Be nice, and check out our Code of Conduct.
Positron12 is a new contributor. Be nice, and check out our Code of Conduct.
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$begingroup$
Hello and welcome, this looks like a homework question, so i will just give a hint : could you find the current going through the whole circuit? maybe the voltage at the lower right corner?
$endgroup$
– Sclrx
May 10 at 9:30
$begingroup$
I could find the current and the voltage in the lower right corner, but how would this help?
$endgroup$
– Positron12
May 10 at 9:32
$begingroup$
you would have the voltage across eah resistor, from which you could compute the current using Ohm's law.
$endgroup$
– Sclrx
May 10 at 9:33
$begingroup$
If the I find the voltage in the lower right corner, I will the find the voltage of the equivalent resistor of R1,2,3 , how could it equal to the voltage of each resistor?
$endgroup$
– Positron12
May 10 at 9:35
$begingroup$
the voltage across the equivalent resistor of R1,2,3 is the same as the voltage across R1, R2 or R3
$endgroup$
– Sclrx
May 10 at 9:40